Differentiating physical findings between deformational plagiocephaly and craniosynostosis. Vertex views. A: Right-sided deformational plagiocephaly exhibiting a parallelogram head shape. B: Right-sided lambdoid craniosynostosis exhibiting a trapezoid-like head shape. Reprinted from Lin AY, Losee JE. “Pediatric plastic surgery.” In Zitelli and Davis’ Atlas of Pediatric Physical Diagnosis, 6th edition, with permission from Elsevier.